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H12DSi-N6/H12DSi-NT6 User's Manual
Power Button
The Power Button connection is located on pins 1 and 2 of JF1. Momentarily contacting both
pins will power on/off the system. This button can also be configured to function as a suspend
button (with a setting in the BIOS - see Chapter 4). To turn off the power in the suspend
mode, press the button for at least 4 seconds. Refer to the table below for pin definitions.
Power Button
Pin Definitions (JF1)
Pin#
Definition
1
Signal
2
Ground
Reset Button
The Reset Button connection is located on pins 3 and 4 of JF1. Attach it to a hardware reset
switch on the computer case to reset the system. Refer to the table below for pin definitions.
Reset Button
Pin Definitions (JF1)
Pin#
Definition
3
Reset
4
Ground
Power Fail LED
The Power Fail LED connection is located on pins 5 and 6 of JF1.
Power Fail LED
Pin Definitions (JF1)
Pin#
Definition
5
3.3V
6
PWR Supply Fail
OH/Fan Fail LED
The Overheat (OH) / Fan Fail LED is located on pin 8 of JF1. When this is on, it indicates
that there is a system overheat or the internal fan(s) have failed.
The front UID LED is located on pin 7 of JF1.
OH/Fan Fail/UID
Pin Definitions (JF1)
Pin#
Definition
7
UID Signal
8
OH/Fan Fail
